static void
XawFormRedisplay(Widget w, XEvent *event, Region region)
{
FormWidget xaw = (FormWidget)w;
if (xaw->form.display_list)
XawRunDisplayList(w, xaw->form.display_list, event, region);
}
static void
XawSimpleExpose(Widget w, XEvent *event, Region region)
{
SimpleWidget xaw = (SimpleWidget)w;
if (xaw->simple.display_list)
XawRunDisplayList(w, xaw->simple.display_list, event, region);
}
/* ARGSUSED */
static void
XawTreeRedisplay(Widget gw, XEvent *event, Region region)
{
TreeWidget tw = (TreeWidget) gw;
#ifndef OLDXAW
if (tw->tree.display_list)
XawRunDisplayList(gw, tw->tree.display_list, event, region);
#endif
/*
* If the Tree widget is visible, visit each managed child.
*/
if (tw->core.visible) {
Cardinal i;
int j;
Display *dpy = XtDisplay (tw);
Window w = XtWindow (tw);
for (i = 0; i < tw->composite.num_children; i++) {
Widget child = tw->composite.children[i];
TreeConstraints tc = TREE_CONSTRAINT(child);
/*
* Don't draw lines from the fake tree_root.
*/
if (child != tw->tree.tree_root && tc->tree.n_children) {
int srcx = child->core.x + child->core.border_width;
int srcy = child->core.y + child->core.border_width;
switch (tw->tree.gravity) {
case WestGravity:
srcx += child->core.width + child->core.border_width;
/* fall through */
case EastGravity:
srcy += child->core.height / 2;
break;
case NorthGravity:
srcy += child->core.height + child->core.border_width;
/* fall through */
case SouthGravity:
srcx += child->core.width / 2;
break;
}
for (j = 0; j < tc->tree.n_children; j++) {
Widget k = tc->tree.children[j];
GC gc = (tc->tree.gc ? tc->tree.gc : tw->tree.gc);
switch (tw->tree.gravity) {
case WestGravity:
/*
* right center to left center
*/
XDrawLine (dpy, w, gc, srcx, srcy,
(int) k->core.x,
(k->core.y + ((int) k->core.border_width) +
((int) k->core.height) / 2));
break;
case NorthGravity:
/*
* bottom center to top center
*/
XDrawLine (dpy, w, gc, srcx, srcy,
(k->core.x + ((int) k->core.border_width) +
((int) k->core.width) / 2),
(int) k->core.y);
break;
case EastGravity:
/*
* left center to right center
*/
XDrawLine (dpy, w, gc, srcx, srcy,
(k->core.x +
(((int) k->core.border_width) << 1) +
(int) k->core.width),
(k->core.y + ((int) k->core.border_width) +
((int) k->core.height) / 2));
break;
case SouthGravity:
/*
* top center to bottom center
*/
XDrawLine (dpy, w, gc, srcx, srcy,
(k->core.x + ((int) k->core.border_width) +
((int) k->core.width) / 2),
(k->core.y +
(((int) k->core.border_width) << 1) +
(int) k->core.height));
break;
}
}
}
}
}
}
